Income tax credit for donations.

Provides for an adjusted gross income tax credit for donations to a public school foundation. Provides that the maximum individual taxpayer credit is $2,000 in the case of a single return and $4,000 in the case of a joint return. Provides that the maximum corporate taxpayer credit is the greater of 10% of the corporation's total adjusted gross income tax liability or $10,000. Makes the credit refundable.